Color vision deficiency in the mentally retarded: prevalence and a method of evaluation.
D000293:Adolescent; D000342:Affective Symptoms / Q000150:complications; D001288:Attention; D002648:Child; D003118:Color Perception; D003119:Color Perception Tests; D003117:Color Vision Defects / Q000150:complications* / Q000175:diagnosis / Q000453:epidemiology*; D003213:Conditioning, Psychological; D003937:Diagnosis, Differential; D004193:Discrimination Learning; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008722:Methods; D009042:Motivation; D012737:Sex Factors